diff options
Diffstat (limited to 'fs/Kconfig')
| -rw-r--r-- | fs/Kconfig | 642 |
1 files changed, 53 insertions, 589 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 31cce5d88b1a..5f62e7e0e6cb 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -6,61 +6,9 @@ menu "File systems" if BLOCK -config EXT2_FS - tristate "Second extended fs support" - help - Ext2 is a standard Linux file system for hard disks. - - To compile this file system support as a module, choose M here: the - module will be called ext2. - - If unsure, say Y. - -config EXT2_FS_XATTR - bool "Ext2 extended attributes" - depends on EXT2_FS - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). - - If unsure, say N. - -config EXT2_FS_POSIX_ACL - bool "Ext2 POSIX Access Control Lists" - depends on EXT2_FS_XATTR - select FS_POSIX_ACL - help - Posix Access Control Lists (ACLs) support permissions for users and - groups beyond the owner/group/world scheme. - - To learn more about Access Control Lists, visit the Posix ACLs for - Linux website <http://acl.bestbits.at/>. - - If you don't know what Access Control Lists are, say N - -config EXT2_FS_SECURITY - bool "Ext2 Security Labels" - depends on EXT2_FS_XATTR - help - Security labels support alternative access control models - implemented by security modules like SELinux. This option - enables an extended attribute handler for file security - labels in the ext2 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config EXT2_FS_XIP - bool "Ext2 execute in place support" - depends on EXT2_FS && MMU - help - Execute in place can be used on memory-backed block devices. If you - enable this option, you can select to mount block devices which are - capable of this feature without using the page cache. - - If you do not use a block device that is capable of using this, - or if unsure, say N. +source "fs/ext2/Kconfig" +source "fs/ext3/Kconfig" +source "fs/ext4/Kconfig" config FS_XIP # execute in place @@ -68,211 +16,16 @@ config FS_XIP depends on EXT2_FS_XIP default y -config EXT3_FS - tristate "Ext3 journalling file system support" - select JBD - help - This is the journalling version of the Second extended file system - (often called ext3), the de facto standard Linux file system - (method to organize files on a storage device) for hard disks. - - The journalling code included in this driver means you do not have - to run e2fsck (file system checker) on your file systems after a - crash. The journal keeps track of any changes that were being made - at the time the system crashed, and can ensure that your file system - is consistent without the need for a lengthy check. - - Other than adding the journal to the file system, the on-disk format - of ext3 is identical to ext2. It is possible to freely switch - between using the ext3 driver and the ext2 driver, as long as the - file system has been cleanly unmounted, or e2fsck is run on the file - system. - - To add a journal on an existing ext2 file system or change the - behavior of ext3 file systems, you can use the tune2fs utility ("man - tune2fs"). To modify attributes of files and directories on ext3 - file systems, use chattr ("man chattr"). You need to be using - e2fsprogs version 1.20 or later in order to create ext3 journals - (available at <http://sourceforge.net/projects/e2fsprogs/>). - - To compile this file system support as a module, choose M here: the - module will be called ext3. - -config EXT3_FS_XATTR - bool "Ext3 extended attributes" - depends on EXT3_FS - default y - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). - - If unsure, say N. - - You need this for POSIX ACL support on ext3. - -config EXT3_FS_POSIX_ACL - bool "Ext3 POSIX Access Control Lists" - depends on EXT3_FS_XATTR - select FS_POSIX_ACL - help - Posix Access Control Lists (ACLs) support permissions for users and - groups beyond the owner/group/world scheme. - - To learn more about Access Control Lists, visit the Posix ACLs for - Linux website <http://acl.bestbits.at/>. - - If you don't know what Access Control Lists are, say N - -config EXT3_FS_SECURITY - bool "Ext3 Security Labels" - depends on EXT3_FS_XATTR - help - Security labels support alternative access control models - implemented by security modules like SELinux. This option - enables an extended attribute handler for file security - labels in the ext3 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config EXT4DEV_FS - tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)" - depends on EXPERIMENTAL - select JBD2 - select CRC16 - help - Ext4dev is a predecessor filesystem of the next generation - extended fs ext4, based on ext3 filesystem code. It will be - renamed ext4 fs later, once ext4dev is mature and stabilized. - - Unlike the change from ext2 filesystem to ext3 filesystem, - the on-disk format of ext4dev is not the same as ext3 any more: - it is based on extent maps and it supports 48-bit physical block - numbers. These combined on-disk format changes will allow - ext4dev/ext4 to handle more than 16 TB filesystem volumes -- - a hard limit that ext3 cannot overcome without changing the - on-disk format. - - Other than extent maps and 48-bit block numbers, ext4dev also is - likely to have other new features such as persistent preallocation, - high resolution time stamps, and larger file support etc. These - features will be added to ext4dev gradually. - - To compile this file system support as a module, choose M here. The - module will be called ext4dev. - - If unsure, say N. - -config EXT4DEV_FS_XATTR - bool "Ext4dev extended attributes" - depends on EXT4DEV_FS - default y - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). - - If unsure, say N. - - You need this for POSIX ACL support on ext4dev/ext4. - -config EXT4DEV_FS_POSIX_ACL - bool "Ext4dev POSIX Access Control Lists" - depends on EXT4DEV_FS_XATTR - select FS_POSIX_ACL - help - POSIX Access Control Lists (ACLs) support permissions for users and - groups beyond the owner/group/world scheme. - - To learn more about Access Control Lists, visit the POSIX ACLs for - Linux website <http://acl.bestbits.at/>. - - If you don't know what Access Control Lists are, say N - -config EXT4DEV_FS_SECURITY - bool "Ext4dev Security Labels" - depends on EXT4DEV_FS_XATTR - help - Security labels support alternative access control models - implemented by security modules like SELinux. This option - enables an extended attribute handler for file security - labels in the ext4dev/ext4 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config JBD - tristate - help - This is a generic journalling layer for block devices. It is - currently used by the ext3 and OCFS2 file systems, but it could - also be used to add journal support to other file systems or block - devices such as RAID or LVM. - - If you are using the ext3 or OCFS2 file systems, you need to - say Y here. If you are not using ext3 OCFS2 then you will probably - want to say N. - - To compile this device as a module, choose M here: the module will be - called jbd. If you are compiling ext3 or OCFS2 into the kernel, - you cannot compile this code as a module. - -config JBD_DEBUG - bool "JBD (ext3) debugging support" - depends on JBD && DEBUG_FS - help - If you are using the ext3 journaled file system (or potentially any - other file system/device using JBD), this option allows you to - enable debugging output while the system is running, in order to - help track down any problems you are having. By default the - debugging output will be turned off. - - If you select Y here, then you will be able to turn on debugging - with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a - number between 1 and 5, the higher the number, the more debugging - output is generated. To turn debugging off again, do - "echo 0 > /sys/kernel/debug/jbd/jbd-debug". - -config JBD2 - tristate - select CRC32 - help - This is a generic journaling layer for block devices that support - both 32-bit and 64-bit block numbers. It is currently used by - the ext4dev/ext4 filesystem, but it could also be used to add - journal support to other file systems or block devices such - as RAID or LVM. - - If you are using ext4dev/ext4, you need to say Y here. If you are not - using ext4dev/ext4 then you will probably want to say N. - - To compile this device as a module, choose M here. The module will be - called jbd2. If you are compiling ext4dev/ext4 into the kernel, - you cannot compile this code as a module. - -config JBD2_DEBUG - bool "JBD2 (ext4dev/ext4) debugging support" - depends on JBD2 && DEBUG_FS - help - If you are using the ext4dev/ext4 journaled file system (or - potentially any other filesystem/device using JBD2), this option - allows you to enable debugging output while the system is running, - in order to help track down any problems you are having. - By default, the debugging output will be turned off. - - If you select Y here, then you will be able to turn on debugging - with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a - number between 1 and 5. The higher the number, the more debugging - output is generated. To turn debugging off again, do - "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug". +source "fs/jbd/Kconfig" +source "fs/jbd2/Kconfig" config FS_MBCACHE # Meta block cache for Extended Attributes (ext2/ext3/ext4) tristate - depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR - default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y - default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m + default y if EXT2_FS=y && EXT2_FS_XATTR + default y if EXT3_FS=y && EXT3_FS_XATTR + default y if EXT4_FS=y && EXT4_FS_XATTR + default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR config REISERFS_FS tristate "Reiserfs support" @@ -419,6 +172,14 @@ config FS_POSIX_ACL bool default n +config FILE_LOCKING + bool "Enable POSIX file locking API" if EMBEDDED + default y + help + This option enables standard file locking support, required + for filesystems like NFS and for the flock() system + call. Disabling this option saves about 11k. + source "fs/xfs/Kconfig" source "fs/gfs2/Kconfig" @@ -426,7 +187,7 @@ config OCFS2_FS tristate "OCFS2 file system support" depends on NET && SYSFS select CONFIGFS_FS - select JBD + select JBD2 select CRC32 help OCFS2 is a general purpose extent based shared disk cluster file @@ -497,6 +258,16 @@ config OCFS2_DEBUG_FS this option for debugging only as it is likely to decrease performance of the filesystem. +config OCFS2_COMPAT_JBD + bool "Use JBD for compatibility" + depends on OCFS2_FS + default n + select JBD + help + The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 + is backwards compatible with JBD. It is safe to say N here. + However, if you really want to use the original JBD, say Y here. + config BTRFS_FS tristate "Btrfs filesystem (EXPERIMENTAL) Unstable disk format" depends on EXPERIMENTAL @@ -652,7 +423,7 @@ config AUTOFS4_FS N here. config FUSE_FS - tristate "Filesystem in Userspace support" + tristate "FUSE (Filesystem in Userspace) support" help With FUSE it is possible to implement a fully functional filesystem in a userspace program. @@ -1155,195 +926,7 @@ config EFS_FS To compile the EFS file system support as a module, choose M here: the module will be called efs. -config JFFS2_FS - tristate "Journalling Flash File System v2 (JFFS2) support" - select CRC32 - depends on MTD - help - JFFS2 is the second generation of the Journalling Flash File System - for use on diskless embedded devices. It provides improved wear - levelling, compression and support for hard links. You cannot use - this on normal block devices, only on 'MTD' devices. - - Further information on the design and implementation of JFFS2 is - available at <http://sources.redhat.com/jffs2/>. - -config JFFS2_FS_DEBUG - int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)" - depends on JFFS2_FS - default "0" - help - This controls the amount of debugging messages produced by the JFFS2 - code. Set it to zero for use in production systems. For evaluation, - testing and debugging, it's advisable to set it to one. This will - enable a few assertions and will print debugging messages at the - KERN_DEBUG loglevel, where they won't normally be visible. Level 2 - is unlikely to be useful - it enables extra debugging in certain - areas which at one point needed debugging, but when the bugs were - located and fixed, the detailed messages were relegated to level 2. - - If reporting bugs, please try to have available a full dump of the - messages at debug level 1 while the misbehaviour was occurring. - -config JFFS2_FS_WRITEBUFFER - bool "JFFS2 write-buffering support" - depends on JFFS2_FS - default y - help - This enables the write-buffering support in JFFS2. - - This functionality is required to support JFFS2 on the following - types of flash devices: - - NAND flash - - NOR flash with transparent ECC - - DataFlash - -config JFFS2_FS_WBUF_VERIFY - bool "Verify JFFS2 write-buffer reads" - depends on JFFS2_FS_WRITEBUFFER - default n - help - This causes JFFS2 to read back every page written through the - write-buffer, and check for errors. - -config JFFS2_SUMMARY - bool "JFFS2 summary support (EXPERIMENTAL)" - depends on JFFS2_FS && EXPERIMENTAL - default n - help - This feature makes it possible to use summary information - for faster filesystem mount. - - The summary information can be inserted into a filesystem image - by the utility 'sumtool'. - - If unsure, say 'N'. - -config JFFS2_FS_XATTR - bool "JFFS2 XATTR support (EXPERIMENTAL)" - depends on JFFS2_FS && EXPERIMENTAL - default n - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). - - If unsure, say N. - -config JFFS2_FS_POSIX_ACL - bool "JFFS2 POSIX Access Control Lists" - depends on JFFS2_FS_XATTR - default y - select FS_POSIX_ACL - help - Posix Access Control Lists (ACLs) support permissions for users and - groups beyond the owner/group/world scheme. - - To learn more about Access Control Lists, visit the Posix ACLs for - Linux website <http://acl.bestbits.at/>. - - If you don't know what Access Control Lists are, say N - -config JFFS2_FS_SECURITY - bool "JFFS2 Security Labels" - depends on JFFS2_FS_XATTR - default y - help - Security labels support alternative access control models - implemented by security modules like SELinux. This option - enables an extended attribute handler for file security - labels in the jffs2 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config JFFS2_COMPRESSION_OPTIONS - bool "Advanced compression options for JFFS2" - depends on JFFS2_FS - default n - help - Enabling this option allows you to explicitly choose which - compression modules, if any, are enabled in JFFS2. Removing - compressors can mean you cannot read existing file systems, - and enabling experimental compressors can mean that you - write a file system which cannot be read by a standard kernel. - - If unsure, you should _definitely_ say 'N'. - -config JFFS2_ZLIB - bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS - select ZLIB_INFLATE - select ZLIB_DEFLATE - depends on JFFS2_FS - default y - help - Zlib is designed to be a free, general-purpose, legally unencumbered, - lossless data-compression library for use on virtually any computer - hardware and operating system. See <http://www.gzip.org/zlib/> for - further information. - - Say 'Y' if unsure. - -config JFFS2_LZO - bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS - select LZO_COMPRESS - select LZO_DECOMPRESS - depends on JFFS2_FS - default n - help - minilzo-based compression. Generally works better than Zlib. - - This feature was added in July, 2007. Say 'N' if you need - compatibility with older bootloaders or kernels. - -config JFFS2_RTIME - bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS - depends on JFFS2_FS - default y - help - Rtime does manage to recompress already-compressed data. Say 'Y' if unsure. - -config JFFS2_RUBIN - bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS - depends on JFFS2_FS - default n - help - RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure. - -choice - prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS - default JFFS2_CMODE_PRIORITY - depends on JFFS2_FS - help - You can set here the default compression mode of JFFS2 from - the available compression modes. Don't touch if unsure. - -config JFFS2_CMODE_NONE - bool "no compression" - help - Uses no compression. - -config JFFS2_CMODE_PRIORITY - bool "priority" - help - Tries the compressors in a predefined order and chooses the first - successful one. - -config JFFS2_CMODE_SIZE - bool "size (EXPERIMENTAL)" - help - Tries all compressors and chooses the one which has the smallest - result. - -config JFFS2_CMODE_FAVOURLZO - bool "Favour LZO" - help - Tries all compressors and chooses the one which has the smallest - result but gives some preference to LZO (which has faster - decompression) at the expense of size. - -endchoice - +source "fs/jffs2/Kconfig" # UBIFS File system configuration source "fs/ubifs/Kconfig" @@ -1784,6 +1367,28 @@ config SUNRPC_XPRT_RDMA If unsure, say N. +config SUNRPC_REGISTER_V4 + bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" + depends on SUNRPC && EXPERIMENTAL + default n + help + Sun added support for registering RPC services at an IPv6 + address by creating two new versions of the rpcbind protocol + (RFC 1833). + + This option enables support in the kernel RPC server for + registering kernel RPC services via version 4 of the rpcbind + protocol. If you enable this option, you must run a portmapper + daemon that supports rpcbind protocol version 4. + + Serving NFS over IPv6 from knfsd (the kernel's NFS server) + requires that you enable this option and use a portmapper that + supports rpcbind version 4. + + If unsure, say N to get traditional behavior (register kernel + RPC services using only rpcbind version 2). Distributions + using the legacy Linux portmapper daemon must say N here. + config RPCSEC_GSS_KRB5 tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" depends on SUNRPC && EXPERIMENTAL @@ -1878,148 +1483,7 @@ config SMB_NLS_REMOTE smbmount from samba 2.2.0 or later supports this. -config CIFS - tristate "CIFS support (advanced network filesystem, SMBFS successor)" - depends on INET - select NLS - help - This is the client VFS module for the Common Internet File System - (CIFS) protocol which is the successor to the Server Message Block - (SMB) protocol, the native file sharing mechanism for most early - PC operating systems. The CIFS protocol is fully supported by - file servers such as Windows 2000 (including Windows 2003, NT 4 - and Windows XP) as well by Samba (which provides excellent CIFS - server support for Linux and many other operating systems). Limited - support for OS/2 and Windows ME and similar servers is provided as - well. - - The cifs module provides an advanced network file system - client for mounting to CIFS compliant servers. It includes - support for DFS (hierarchical name space), secure per-user - session establishment via Kerberos or NTLM or NTLMv2, - safe distributed caching (oplock), optional packet - signing, Unicode and other internationalization improvements. - If you need to mount to Samba or Windows from this machine, say Y. - -config CIFS_STATS - bool "CIFS statistics" - depends on CIFS - help - Enabling this option will cause statistics for each server share - mounted by the cifs client to be displayed in /proc/fs/cifs/Stats - -config CIFS_STATS2 - bool "Extended statistics" - depends on CIFS_STATS - help - Enabling this option will allow more detailed statistics on SMB - request timing to be displayed in /proc/fs/cifs/DebugData and also - allow optional logging of slow responses to dmesg (depending on the - value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details). - These additional statistics may have a minor effect on performance - and memory utilization. - - Unless you are a developer or are doing network performance analysis - or tuning, say N. - -config CIFS_WEAK_PW_HASH - bool "Support legacy servers which use weaker LANMAN security" - depends on CIFS - help - Modern CIFS servers including Samba and most Windows versions - (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos) - security mechanisms. These hash the password more securely - than the mechanisms used in the older LANMAN version of the - SMB protocol but LANMAN based authentication is needed to - establish sessions with some old SMB servers. - - Enabling this option allows the cifs module to mount to older - LANMAN based servers such as OS/2 and Windows 95, but such - mounts may be less secure than mounts using NTLM or more recent - security mechanisms if you are on a public network. Unless you - have a need to access old SMB servers (and are on a private - network) you probably want to say N. Even if this support - is enabled in the kernel build, LANMAN authentication will not be - used automatically. At runtime LANMAN mounts are disabled but - can be set to required (or optional) either in - /proc/fs/cifs (see fs/cifs/README for more detail) or via an - option on the mount command. This support is disabled by - default in order to reduce the possibility of a downgrade - attack. - - If unsure, say N. - -config CIFS_UPCALL - bool "Kerberos/SPNEGO advanced session setup" - depends on CIFS && KEYS - help - Enables an upcall mechanism for CIFS which accesses - userspace helper utilities to provide SPNEGO packaged (RFC 4178) - Kerberos tickets which are needed to mount to certain secure servers - (for which more secure Kerberos authentication is required). If - unsure, say N. - -config CIFS_XATTR - bool "CIFS extended attributes" - depends on CIFS - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). CIFS maps the name of - extended attributes beginning with the user namespace prefix - to SMB/CIFS EAs. EAs are stored on Windows servers without the - user namespace prefix, but their names are seen by Linux cifs clients - prefaced by the user namespace prefix. The system namespace - (used by some filesystems to store ACLs) is not supported at - this time. - - If unsure, say N. - -config CIFS_POSIX - bool "CIFS POSIX Extensions" - depends on CIFS_XATTR - help - Enabling this option will cause the cifs client to attempt to - negotiate a newer dialect with servers, such as Samba 3.0.5 - or later, that optionally can handle more POSIX like (rather - than Windows like) file behavior. It also enables - support for POSIX ACLs (getfacl and setfacl) to servers - (such as Samba 3.10 and later) which can negotiate - CIFS POSIX ACL support. If unsure, say N. - -config CIFS_DEBUG2 - bool "Enable additional CIFS debugging routines" - depends on CIFS - help - Enabling this option adds a few more debugging routines - to the cifs code which slightly increases the size of - the cifs module and can cause additional logging of debug - messages in some error paths, slowing performance. This - option can be turned off unless you are debugging - cifs problems. If unsure, say N. - -config CIFS_EXPERIMENTAL - bool "CIFS Experimental Features (EXPERIMENTAL)" - depends on CIFS && EXPERIMENTAL - help - Enables cifs features under testing. These features are - experimental and currently include DFS support and directory - change notification ie fcntl(F_DNOTIFY), as well as the upcall - mechanism which will be used for Kerberos session negotiation - and uid remapping. Some of these features also may depend on - setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental - (which is disabled by default). See the file fs/cifs/README - for more details. If unsure, say N. - -config CIFS_DFS_UPCALL - bool "DFS feature support (EXPERIMENTAL)" - depends on CIFS_EXPERIMENTAL - depends on KEYS - help - Enables an upcall mechanism for CIFS which contacts userspace - helper utilities to provide server name resolution (host names to - IP addresses) which is needed for implicit mounts of DFS junction - points. If unsure, say N. +source "fs/cifs/Kconfig" config NCP_FS tristate "NCP file system support (to mount NetWare volumes)" |